Version 1.45 (EU/US): October 2014
- The Properties display for the "Auto Calibration" function in RTR-576 was changed.

Version 1.44 (US): February 2014
- A problem was fixed in the RTR-500W Settings Utility, where the recording could not be started for RTR-500 Series Remote Units when an RTR-601 has been registered as a Remote Unit.

Version 1.43 (EU/US): December 2013
- A change has been made to enable selection of the conditions for warning transmission.
- A change has been made to enable selection of the conditions for warning with contact output.
* The RTR-500W for Windows version 1.43 needs to be used in combination with the RTR-500NW/AW Firmware version 2.30 or later.

Version 1.42 (EU/US): July 2013
- The "Auto-Sending of Recorded Data" function can now be set using a specific time interval as well as setting specific dates and times.
* The RTR-500W for Windows version 1.42 needs to be used in combination with the RTR-500NW/AW Firmware version 2.10 or later.

Version 1.41 (EU/US): April 2013
- Applications are now started through an application launcher.

Version 1.40 (EU/US): October 2012
- Made compatible with the RTR-507 and RTR-576.